Toothbrush



FIG. 1 is a perspective view of a toothbrush showing the new design;

FIG. 2 is a front view of the toothbrush shown in FIG. 1;

FIG. 3 is a rear view of the toothbrush shown in FIG. 1;

FIG. 4 is a right side view of the toothbrush shown in FIG. 1;

FIG. 5 is a left side view of the toothbrush shown in FIG. 1;

FIG. 6 is a top plan view of the toothbrush shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the toothbrush shown in FIG. 1.

The broken lines shown on the drawings depict portions of the toothbrush that form no part of the claimed design. 

CLAIM The ornamental design for a toothbrush, as shown and described. 